Hibernate

Which of the following is true about ORM?

• ORM stands for Object-Relational Mapping

• ORM is a programming technique for converting data between relational databases and object oriented programming languages

• Both

• None

In which file database table configuration is stored?

• .dbm

• .hbm

• .ora

• .sql

Which of the following is not a state of object in Hibernate?

• Persistent()

• Detached()

• Attached()

• Transient()

Which of the following object is used to create SessionFactory object in hibernate?

• SessionFactory

• Transaction

• Configuration

• Session

Which of the following is true about query level cache in hibernate?

• Query level cache requires two additional physical cache regions that hold the cached query results and the timestamps when a table was last updated

• Query level cache is an optional feature

• Query level cache is only useful for queries that are run frequently with the same parameters

• All of the above

Which of the following are most common configuration methods of Hibernate Configuation

• Http.conf

• XML Configuration hibernate.cfg.xml

• Web.config

• Mapping files

Which of the following is FALSE about Session in hibernate

• Session represents a single unit-of-work with the database

• Session is the primary interface for the persistence service

• Session is a light weight non-threadsafe object

• You can share the session between threads

Which of the following is NOT a mapping association used in Hibernate?

• One-to-Many Association

• One-to-One Association

• Many-to-Many Association

• None

Which of the following is true about hibernate annotations?

• All the metadata is clubbed into the POJO java file along with the code this helps the user to understand the table structure and POJO simultaneously during the development

• Hibernate Annotations is the powerful way to provide the metadata for the Object and Relational Table mapping

• Both of the above

• None of the above

Transient and detached objects in hibernate are

• Instances of persistent class that are not currently associated with session

• Instances of persistent class which are in session